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EN 1.4028 Stainless Steel vs. EN 1.4415 Stainless Steel

Both EN 1.4028 stainless steel and EN 1.4415 stainless steel are iron alloys. They have a moderately high 92% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is EN 1.4028 stainless steel and the bottom bar is EN 1.4415 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 11 to 17
17 to 20
Fatigue Strength, MPa 230 to 400
470 to 510
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
77
Shear Strength, MPa 410 to 550
520 to 570
Tensile Strength: Ultimate (UTS), MPa 660 to 930
830 to 930
Tensile Strength: Yield (Proof), MPa 390 to 730
730 to 840

Thermal Properties

Latent Heat of Fusion, J/g 270
280
Maximum Temperature: Corrosion, °C 390
390
Maximum Temperature: Mechanical, °C 760
790
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 30
19
Thermal Expansion, µm/m-K 11
9.9

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.8
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 3.2
2.8

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
13
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 1.9
3.6
Embodied Energy, MJ/kg 27
51
Embodied Water, L/kg 100
120

Common Calculations

PREN (Pitting Resistance) 13
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 94 to 96
150 to 160
Resilience: Unit (Modulus of Resilience), kJ/m3 380 to 1360
1350 to 1790
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 24 to 33
29 to 33
Strength to Weight: Bending, points 22 to 27
25 to 27
Thermal Diffusivity, mm2/s 8.1
5.1
Thermal Shock Resistance, points 23 to 32
30 to 34

Alloy Composition

Carbon (C), % 0.26 to 0.35
0 to 0.030
Chromium (Cr), % 12 to 14
11.5 to 13.5
Iron (Fe), % 83.1 to 87.7
75.9 to 82.4
Manganese (Mn), % 0 to 1.5
0 to 0.5
Molybdenum (Mo), % 0
1.5 to 2.5
Nickel (Ni), % 0
4.5 to 6.5
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.015
0 to 0.015
Titanium (Ti), % 0
0 to 0.010
Vanadium (V), % 0
0.1 to 0.5